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3 years ago

Round 763.53 to the nearest hundred

Mathematics

2 answers:

FinnZ [79.3K]3 years ago

8 0

Answer:763.5

Step-by-step explanation:

the 3 will make it stay the same

galben [10]3 years ago

3 0

Answer:

800

Step-by-step explanation:

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3 years ago

Read 2 more answers

BRAINLIEST+ STARS!!

nasty-shy [4]

To find the density:

⇒ must find the relationship between the density, mass, and volume

⇒ $Density = \frac{mass}{volume}$

Let's examine the information given:

weight: 1890g
dimensions: 8cm * 5cm* 5cm

Let's first find the volume:

⇒ the volume is the dimensions multiplied together

$Volume = 8cm * 5cm * 5cm = 200cm^3$

LEt's calculate the density now:

$Density = \frac{1890g}{200cm^3} =9.45g/cm^3$

Answer: The density of the copper is 9.45g/cm^3 or Choice (A)

Hope that helps!

6 0

2 years ago

A researcher conducts a hypothesis test using a sample of n = 40 from an unknown population. What is the df value for the t stat

aliya0001 [1]

Answer:

Correct option: b 39.

Step-by-step explanation:

A one-sample (or one mean) t-test is applied to test whether the population-parameter is significantly different from some hypothetical value.

The degrees of freedom of the t-test is:

df = n - 1

It is provided that the sample size is, n = 40.

Compute the degrees of freedom as follows:

df = n - 1

= 40 - 1

= 39

Thus, the correct option is b.

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3 years ago